Search a number
-
+
149886895 = 5110927031
BaseRepresentation
bin10001110111100…
…01011110101111
3101110001001011111
420323301132233
5301332340040
622512332451
73500006014
oct1073613657
9343031144
10149886895
1177675274
1242244127
132508c592
1415c9970b
15d25adea
hex8ef17af

149886895 has 8 divisors (see below), whose sum is σ = 180033120. Its totient is φ = 119796960.

The previous prime is 149886871. The next prime is 149886899. The reversal of 149886895 is 598688941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-149886895 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149886899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971 + ... + 19060.

It is an arithmetic number, because the mean of its divisors is an integer number (22504140).

Almost surely, 2149886895 is an apocalyptic number.

149886895 is a deficient number, since it is larger than the sum of its proper divisors (30146225).

149886895 is a wasteful number, since it uses less digits than its factorization.

149886895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28145.

The product of its digits is 4976640, while the sum is 58.

The square root of 149886895 is about 12242.8303508625. The cubic root of 149886895 is about 531.1957043472.

The spelling of 149886895 in words is "one hundred forty-nine million, eight hundred eighty-six thousand, eight hundred ninety-five".

Divisors: 1 5 1109 5545 27031 135155 29977379 149886895